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Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.

Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.

Focusing on door closer manufacturing

CE and UL listed | Supplier to top brand

  • Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.
  • Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.
  • Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.
Main Market: North America, Western Europe, Middle East, Worldwide
Business Type: Manufacturer, Exporter
Brands Dorrenhaus, DORHAUS No. of Employees 200~250
Annual Sales 15,000,000-18,000,000 Year Established 2011
Export p.c 70% - 80%



           ------------ Our Advantages ------------



                     1.   Only produce door closer, annual output 1.5-2.0mils pcs.


                     2.   UL & CE certification, max. Life cycle test of 5 mil. Cycles.


                     3.   Pass European & China ISO9001:2015 QMS Certification.


                     4.   Mainly for export market since foundation in October, 2011.


                     5.   Long term cooperative supplier of world’s top security brands: 


Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.


A High-end Germany Gating Hardware Brand

Originally founded in 1872, Dorrenhaus is a high-end Germany gating hardware brand. At the beginning of 1980's,

Dorrenhaus entered into Chinese market, and supplied numerous households in China with high quality hardware products.

On October 10, 2011, Dorrenhaus's door closer manufacturing base in China - Zhejiang Dorrenhaus Hardware Industry Co.

Ltd was formally founded. All members of management team have more than 15 years of experience in door closer industry.

Marketing Under Dorrenhaus and DORHAUS Brand

In 2017, our new trademark - DORHAUS was registered. We have $3 million registered capital. Our main products include

hydraulic door closers, automatic door closers, concealed door closers, commercial door closers, fire door closers, auto door

closers, sliding door closers, heavy duty door closers, overhead door closers, UL-listed door closers and door closer parts.

We have 205 total number of employees, which includes seven R&D staff and 13 quality control staff in our

15,000-square-meter factory.

Exporting Products Worldwide

Now, we have six complete production lines with annual output of 1.5 to 2.0 million sets. We export our products to more than

20 countries in North America, Europe, Russia, the Middle East and Southeast Asia. We passed the certification for EN ISO

9001:2008 quality management system in 2014, and ISO9001:2015 in 2017 respectively.

Our products passed many international and domestic certification and standard, such as:

American National Standard: ANSI 156.4 Grade 1, life cycle test of 2mil cycles

American UL228 and UL 10C for 3 hours fire testing

European Standard CE: EN1154, life cycle test of 500,000 cycles

European Standard CE: EN1634 fire testing

China National Standard: QB/T 2698-2005 Grade 1, life cycle test of 1 mil. cycles

China Compulsory Product Certification for fire rated door closer


Cooperate with Us Today

For more detailed information regarding our business, contact us today.


Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.




Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.


Zhejiang Dorrenhaus Hardware Industry Co., Ltd. was incorporated in August 2011, and was restructured

into a Sino-foreign joint venture in May 2015. Our company is a manufacturing R&D enterprise specializing

in the production of medium and high-grade door closers. It is a science and technology enterprise in

Zhejiang Province and a top 100 enterprise in Cangnan County. It has 9 patents and was awarded as a

National New high-tech enterprise in 2017.


In 2014, Dorrenhaus obtained the German EN ISO9001:2008 quality management system certification, and

obtained the Chinese ISO 9001:2015 certification in 2017. The system has been operating effectively for

many years, the production process is standardized, and the product quality is controllable.


The company's existing 7 conventional models have obtained UL 228 certification, 5 models obtained

ANSI/BHMA A154.6 certification, 5 models obtained EN 1154 CE certification, and 8 models obtained China

compulsory product certification, which can meet different market and technical requirements. .


In 2018, our output value was more than 120 million yuan, and its export earned more than 12 million US

dollars. The company's current development trend is good, more than 70% of the products are sold to the

United States, Canada, the European Union and other countries and regions.





--------- Our Service ---------


Zhejiang Dorrenhaus Hardware Industry Co., Ltd.


       1. FREE SAMPLE, FREIGHT COLLECT                                                        


           Charges for new mould will be returned if order reachs agreed quantities.


       2. CUSTOMIZED LOGO & PACKING                                                             


           Silk-screen customer’s logo, customized carton and box is available for

           orders of more than 2000pcs.


       3. QUALITY ASSURANCE                                                                              


           Repair or exchange for door closer within 2-3 years guarantee period.


       4. PROFESSIONAL RESPONSE                                                                    


           All inquiries, and or requests will be responsed within 24 working hours.


       5. TIMELY DELIVERY                                                                                      


           Deliver as agreed period, will compensate for later delivery of 1week.



Our Team


Zhejiang Dorrenhaus Hardware Industry Co., Ltd. Was established in August 2011, the main personnel of the company's management team have more than 15 years of history in the door closer industry.


Dorrenhaus has nearly 200 production, management and technical personnel, in which management and technical personnel are of about 35%. The company has quality inspection department, trial production department, technical department, sales department, purchasing department, production department and other departments. The quality inspection department is responsible for the testing and inspection of the external materials and final products; trial production department is responsible for the production of samples and the trial production of new products; technical department is responsible for the product design and technical improvement, and there are 21 technicians in these three departments. The sales department is responsible for the development and sales of domestic and foreign markets. There are currently 9 sales personnel, of which 5 are responsible for export business.


The company's products are mainly sold to North American and European markets, with nearly 8 years of experience in export services.


Dorrenhaus has participated in many professional exhibitions at home and abroad, including the German Cologne International Hardware Exhibition and the North American Hardware Exhibition.


          Leading global trade fair for the hardware industries March 01-04, 2020, Cologne, Germany Koelnmesse


Zhejiang Dorrenhaus Hardware Industrial Co., Ltd.